16147 has 4 divisors (see below), whose sum is σ = 16456. Its totient is φ = 15840.
The previous prime is 16141. The next prime is 16183. The reversal of 16147 is 74161.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 16147 - 23 = 16139 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is a plaindrome in base 11.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54 + ... + 187.
It is an arithmetic number, because the mean of its divisors is an integer number (4114).
216147 is an apocalyptic number.
16147 is a deficient number, since it is larger than the sum of its proper divisors (309).
16147 is an equidigital number, since it uses as much as digits as its factorization.
16147 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 308.
The product of its digits is 168, while the sum is 19.
The square root of 16147 is about 127.0708463811. The cubic root of 16147 is about 25.2753560275.
The spelling of 16147 in words is "sixteen thousand, one hundred forty-seven".
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